At National Liner, in order to better serve you, we've developed an Engineering Design Calculator to help determine proper wall thickness based on your project's particular design considerations. Factors such as water table, live load, and soil makeup all will influence the recommended liner specifications.

In order to access the Engineering Design Calculator we ask that you first complete our secure feedback form.

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National Liner, through its network of experienced North American installers, provides Cured-In-Place Pipe (CIPP) products and services to municipal and industrial customers to rehabilitate deteriorated pipe